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Objective.  The maintenance of good work ability has proven to have a positive effect on health, quality of work and productivity. There is little evidence regarding the association between musculoskeletal complaints, individual and work-related factors, and work ability in blue-collar and white-collar workers.  Methods . A cross-sectional study of hospital and university workers ( n  = 360) was performed to determine the association between musculoskeletal complaints, individual and work-related factors, and work ability; two multiple linear regression models were created.  Results . In white-collar workers, musculoskeletal complaints of the dorsal/lumbar region ( β  = −0.259) and the wrist/hand segment ( β  = −0.151) were significantly associated with reduced work ability. A higher body mass index ( β  = −0.227) was also negatively associated with the dependent variable. In blue-collar workers, musculoskeletal complaints of the dorsal/lumbar region ( β  = −0.317) and the elbow/forearm segment ( β  = −0.171) were significantly associated with lower work ability. Increased age ( β  = −0.204) was associated with reduced work ability in this group. No significant correlations were found between work-related factors and work ability.  Conclusions . Musculoskeletal complaints and individual factors, but not work-related factors, are associated with work ability in Chilean blue-collar and white-collar workers. Nevertheless, the variables that explain the change in work ability are different between these groups.

international journal of occupational safety and ergonomics

The association of musculoskeletal complaints and individual and work-related factors with work ability in Chilean white-collar and blue-collar workers